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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 07:27:52 +0000 |
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| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 07:27:52 +0000 |
| commit | d0c85e36e4de67af628d54e9ab577cc3fad7796a (patch) | |
| tree | f8f784b0f04343b90516a338d6df81df3a85dfa2 /results/classifier/deepseek-2-tmp/output/hypervisor/1843795 | |
| parent | 7f4364274750eb8cb39a3e7493132fca1c01232e (diff) | |
| download | qemu-analysis-d0c85e36e4de67af628d54e9ab577cc3fad7796a.tar.gz qemu-analysis-d0c85e36e4de67af628d54e9ab577cc3fad7796a.zip | |
add deepseek and gemma results
Diffstat (limited to 'results/classifier/deepseek-2-tmp/output/hypervisor/1843795')
| -rw-r--r-- | results/classifier/deepseek-2-tmp/output/hypervisor/1843795 | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/results/classifier/deepseek-2-tmp/output/hypervisor/1843795 b/results/classifier/deepseek-2-tmp/output/hypervisor/1843795 deleted file mode 100644 index 4f1078ee9..000000000 --- a/results/classifier/deepseek-2-tmp/output/hypervisor/1843795 +++ /dev/null @@ -1,32 +0,0 @@ - -'mtfsf' instruction can clear FI incorrectly - -Using mtfsf instruction can clear the FPSCR FI bit incorrectly. This code snippet exhibits the issue: --- - fpscr.ll = 0x1fffffff; - __builtin_mtfsf (0b11111111, fpscr.d); - fpscr.d = __builtin_mffs (); --- - -On POWER9 hardware: -mffs : FPSCR = 0x000000007ffff7ff - -On qemu (git master; "-cpu POWER9"): --- -$ ./mtfsf -mffs : FPSCR = 0x000000007ffdffff --- - -Two differences: -bit 52: "reserved", so maybe a "don't care" case -bit 46: "FI" - -$ git log -1 master -commit 89ea03a7dc83ca36b670ba7f787802791fcb04b1 -Merge: 019217c 2531164 -Author: Peter Maydell <email address hidden> -Date: Mon Sep 9 09:48:34 2019 +0100 - -I tracked the clear is coming from do_float_check_status, likely the one in gen_mtfsf, but then I get lost figuring out what _should_ be happening. :-/ - -Test attached. \ No newline at end of file |